2007-10-30 Martin Sebor <sebor@roguewave.com>
STDCXX-414
* util.cpp (rw_signal): Guarded with _RWSTD_EDG_ECCP instead of
_RWSTD_NO_PURE_C_HEADERS as done in rev 588734 since the latter
is #defined with other compilers including Sun C++ on Linux and
it's on Linux where rw_signal() must be implemented in terms of
sigaction() to do what we want.
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